diff --git a/ci/k8s/deployment.yml b/ci/k8s/deployment.yml
index 7f4de54..1084072 100644
--- a/ci/k8s/deployment.yml
+++ b/ci/k8s/deployment.yml
@@ -20,13 +20,13 @@ spec:
           imagePullPolicy: Always
           env:
             - name: KG_PUBLIC_URL
-              value: $KG_PUBLIC_URL
+              value: "$KG_PUBLIC_URL"
             - name: KG_PRIVATE_KEY
-              value: $KG_PRIVATE_KEY
+              value: "/etc/keyguard/private_key"
             - name: KG_YUBI_CLIENT_ID
-              value: $KG_YUBI_CLIENT_ID
+              value: "$KG_YUBI_CLIENT_ID"
             - name: KG_YUBI_API_KEY
-              value: "/etc/keyguard/private_key"
+              value: "$KG_YUBI_API_KEY"
           volumeMounts:
             - name: private-key
               mountPath: "/etc/keyguard"